CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Feb. 01, 2014	Jan. 26, 2013
OPERATING ACTIVITIES
Net income	$ 48,045	$ 30,387
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for depreciation	15,946	11,622
Amortization of intangibles	1,332	1,278
Amortization of stock awards and stock options	2,596	2,472
Changes in operating assets and liabilities	(18,836)	(12,828)
Other	268	(30)
NET CASH PROVIDED BY OPERATING ACTIVITIES	49,351	32,901
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(23,516)	(30,013)
Acquisition of businesses	0	(1,434)
NET CASH USED IN INVESTING ACTIVITIES	(23,516)	(31,447)
FINANCING ACTIVITIES
Proceeds from exercise of stock options	5,014	0
Cash dividends	(7,876)	(7,781)
Proceeds from borrowings	28,500	28,500
Repayment of borrowings	(22,000)	(36,500)
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	3,638	(15,781)
Effect of foreign currency exchange rate changes on cash	1,495	905
INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS	30,968	(13,422)
Cash and cash equivalents at beginning of period	65,811	86,797
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 96,779	$ 73,375

Name:	us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.